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Keio Corporation

Keio Corporation is a Japanese railway and lifestyle-services company whose group operates transportation, real estate, retail, leisure and related businesses.

Updated Oct 19, 2026Official website
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Commercial snapshot

Established

June 1, 1948[1]

Head office

Tama, Tokyo, Japan[1]

Business

Railway, real estate, retail and lifestyle services[1]

LJL partnership

Official sponsor; 2026 continuation announced by PLAYBRAIN[2]

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Keio Corporation is a Japanese railway and lifestyle-services company. Its businesses include railway transportation, real estate and retail, alongside leisure and other services. The company was established in 1948 and lists its head office in Tama, Tokyo.[1]

Keio joined the LJL as an official sponsor in 2025. The partnership includes LJL merchandise and fan programming at KEIO eSTATION Shinjuku; PLAYBRAIN announced its continuation for the 2026 season.[2][3]

References3
  1. [1]Keio Corporation — Company profile — Corporate identity, headquarters, establishment date and business activities.
  2. [2]PLAYBRAIN — Keio joins LJL as official sponsor — Confirms the initial LJL sponsorship and describes fan and merchandise activations.
  3. [3]PLAYBRAIN — 2026 Keio LJL partnership — Confirms continuation of the season-wide partnership in 2026.

Related entities

JapanLoL Japan League (LJL) 2026 Spring SeriesLoL Japan League (LJL) 2026 Summer ChampionshipLoL Japan League (LJL) 2026 Winter Series